Extrinsic 43151-1

{
  "heartbeat": {
    "blockNumber": 43149,
    "sessionIndex": 719,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x9465187bddf0f79a9f05323a61c8affc59ed7d3decb84020f279fe6725969145c0a5b6ca2cfe28a966ad2d7ffcd232d2ed546ddb7ef600df7a64543573c78a8c"
}